Circumference coefficient
[建] 圓周系數
?? 詞語組成解析
coefficient
[,ko?'f??nt]
n. 系數;（測定某種質量或變化過程的）率;程度;協同因素;
adj. 共同作用的;合作的;
co共同+ef出+fici做+ent...的 → co共同+efficient做出來=有效的 → 一起有效的 → 系數
??? 情景例句
It probably means we can't stay.
看來我們不能待在這兒了。
Weak men wait for opportunity, but the strong men make it.
若者等待機會，強者創造機會。
Then he put a piece of cheese in his pocket and went away.
然后把一塊乳酪裝進衣袋里走了。